9. shot (n.) a consecutive series of pictures that constitutes a unit of action in a film
The vacuum level is determined by the pressure differential between the evacuated volume and the surrounding atmosphere. Several units of measure can be used. Most refer to the height of a column of mercury â usually inches of mercury (in.-Hg) or millimeters of mercury (mm-Hg).
Documentation Requirements (Services Prior to July 1, 2015) Noridian Medical Review has recently received a number of questions regarding documentation of medical necessity for vacuum erection devices (L7900). Coverage for L7900 is provided under the Prosthetic benefit which stipulates that the device must be used to replace all or part of an internal body organ. In addition to the statutory requirements, the general documentation requirements as described in Chapter 3 of the DME MAC Jurisdiction D Supplier Manual apply.